11680977785 has 8 divisors (see below), whose sum is σ = 14469340416. Its totient is φ = 9043337520.

The previous prime is 11680977751. The next prime is 11680977799. The reversal of 11680977785 is 58777908611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11680977785 - 2²⁸ = 11412542329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37680419 + ... + 37680728.

It is an arithmetic number, because the mean of its divisors is an integer number (1808667552).

Almost surely, 2^11680977785 is an apocalyptic number.

It is an amenable number.

11680977785 is a deficient number, since it is larger than the sum of its proper divisors (2788362631).

11680977785 is an equidigital number, since it uses as much as digits as its factorization.

11680977785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75361183.

The product of its (nonzero) digits is 5927040, while the sum is 59.

The spelling of 11680977785 in words is "eleven billion, six hundred eighty million, nine hundred seventy-seven thousand, seven hundred eighty-five".